Nickel arsenide

Nickel arsenide
Identifiers
CAS Number	1303-13-5;
3D model (JSmol)	Interactive image;
ECHA InfoCard	100.043.776
EC Number	248-169-1;
PubChem CID	62391 (NiAs); 138394006 (Ni5As2);
UNII	2A4QIT3M17;
CompTox Dashboard (EPA)	DTXSID9067273 ;
	InChI InChI=1S/As.Ni Key: UIFOTCALDQIDTI-UHFFFAOYSA-N;
	SMILES [Ni].[As];
Properties
Chemical formula	AsNi
Molar mass	133.6150 g·mol−1
Appearance	red solid
Density	7.57 g/cm3
Melting point	968 °C (1,774 °F; 1,241 K)
Solubility in water	nearly insoluble
Hazards
	GHS labelling:
Pictograms
Signal word	Danger
Hazard statements	H317, H350i, H372, H410
	Lethal dose or concentration (LD, LC):
LD50 (median dose)	6000 mg/kg (acute oral, rat)
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Nickel arsenide refers to inorganic compounds composed of nickel and arsenic. Several forms exist including a monoarsenide with the chemical formula NiAs and another with the formula Ni₅As₂. It is highly toxic and a known carcinogen.